Neck fan



FIG. 1 is a top-front perspective view of a neck fan;

FIG. 2 is a front view of the neck fan of FIG. 1 ;

FIG. 3 is a rear view of the neck fan of FIG. 1 ;

FIG. 4 is a left side view of the neck fan of FIG. 1 ;

FIG. 5 is a right side view of the neck fan of FIG. 1 ;

FIG. 6 is a top view of the neck fan of FIG. 1 ;

FIG. 7 is a bottom view of the neck fan of FIG. 1 ;

FIG. 8 is a bottom-right side perspective view of the neck fan of FIG. 1 ; and,

FIG. 9 is a bottom-left side perspective view of the neck fan of FIG. 1 .

The broken lines in the drawings illustrate portions of the neck fan that form no part of the claimed design. 

CLAIM I claim the ornamental design for a neck fan, as shown and described. 